What is the meaning of tikka disease of groundnut?

What is the meaning of tikka disease of groundnut?

The groundnut leaf spots (early leaf spot and late leaf spot) commonly called as. “Tikka” disease cause nearly complete defoliation and yield loss up to 50 per cent or more depending upon disease severity. The leaf spot disease epidemics are affected by weather parameters such as hot and wet conditions.

Is tikka disease of groundnut?

causal organism of Tikka disease of groundnut is Cercospora arachidicola and Cercospora personatum earlier know as Cercospora personata. Disease Cycle :- The. disease caused by Cercospora arachidicola and Cercospora personatum are disseminated by wind which blows the spore from leaf to leaf.

What is the main symptom to identify tikka disease of groundnut?

Symptoms: The late leaf spots on the lower leaflet surface are rough in appearance. Circular rings of fungus fruiting structures can be seen on the lower leaflet surface with the the aid of a hand lens (Fig.).

What is the disease in groundnut?

In groundnut, fungi cause seed rots and seedling diseases such as root rot, stem rot, wilts, blight, . pod rot; and foliar diseases such as rust and early and late leaf spots.

Which fungus is responsible for the tikka disease of groundnut?

>Option A: Tikka disease is caused by fungus belonging to genus cercospora. It belongs to phylum ascomycetes. There are two species of genus cercospora namely- Cercospora arachidicola and Cercospora personata.

Which pathogen is responsible for little leaf of brinjal?

The disease is caused by a plant pathogenic mollicute, Phytoplasma (earlier known as mycoplasmalike organism or MLO) and is transmitted by the insect vector, Hishimonus phycitis which belongs to the group of leafhoppers.

Is the origin of groundnut?

The cultivated groundnut, Arachis hypogaea L., originated in an area of southern Bolivia and northwestern Argentina on the eastern slopes of the Andes. This species is subdivided into subspecies and botanical varieties that have been found to have a specific geographic distribution in South America.

What type of disease is Tikka?

Tikka Disease is a usual disorder in groundnut as a result of Cercospora arachidicola and Cercospora personata. In the diseased condition, many circular spots seem at the outer layer of the leaf. The conidia of the fungus found in soil or the ones located inside the fruit shell is the supply of infection.

What causes tikka disease?

How can we control insects in brinjal?

Use organic insecticides with carbaryl or Malathion to control the pest effectively. Red Spider mites: Most common pests of brinjal plants. This is infected due to low humidity levels. Nymphs and adults will suck sap and form white patches on the leaves.

What is the importance of groundnut?

Groundnuts are immensely rich in potassium, calcium, phosphorus and B vitamins which offers you with a host of health benefits. Groundnuts are a great blend of healthy fats, protein and fibre that curbs your appetite, lowers the risk of heart disease and regulates blood glucose levels.

What causes Tikka disease on a groundnut plant?

20. Conclusion • Tikka Disease is a common disease in ground nut caused by Cercospora arachidicola and Cercospora personata. • In the diseased condition, many circulars spots appear on the surface of the leaf . • The conidia of the fungus present in soil or those present in the fruit shell is the source of infection.

Who is the causal organism for Tikka disease?

4. Causal organism • The causal organism for the tikka disease of ground nut are Cercospora personata and Cercospora arachidicola. • The Symptoms caused by the two pathogens will differ. • This disease is also called Leaf spot of Ground nut because it causes leaf spots on the leaves.

Which is worse Tikka disease or leaf spot disease?

The leaf spot disease caused by the former is more common, dangerous and does greater damage than the latter. The spot produced by C. personata are numerous. These weaken the host plant and lead to defoliation which adversely affects size and quality of the fruit. The latter remains small in size and fewer in number.

What kind of disease does groundnut have in India?

Popularly it is called the tikka disease. The tikka disease is a serious disease occurring in areas where the groundnut crop is grown in India. The spots appear on the host leaves when the plants are one or two months old. Later necrotic lesions appear on the stem as well.